1 The steering of the driver should be the same as the steering of the pump;
2 Find out the steering of the pipeline pump and the coaxial pump;
3 There should be no looseness in each fixed connection part, and the specification and quantity of lubricant added to each lubrication part shall comply with the provisions of the equipment technical documents;
4 Pre-lubricated parts should be pre-lubricated as required;
5 Each indicating instrument and safety protection device should be sensitive, accurate and reliable;
6 car should be flexible, no abnormalities;
7 The high-temperature pump should be preheated before test run. The temperature should rise evenly. The temperature rise should not exceed 50 °C per hour. The temperature difference between the surface of the pump body and the process pipeline with the working medium should not exceed 40 °C.
8 Set the connection device to eliminate the influence of temperature rise, and set the bypass connection device to provide the cooling water source.